18426 Maffei
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Discovery and designation
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| Discovered by | E. Colzani and G. Ventre |
| Discovery site | Sormano |
| Discovery date | December 18, 1993 |
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Designations
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| MPC designation | 18426 |
| Alternative names[1] | 1993 YN2 |
| Epoch May 14, 2008 | |
| Ap | 2.7947476 |
| Peri | 1.9642100 |
| Eccentricity | 0.1745209 |
| Orbital period | 1340.6678291 |
| Mean anomaly | 323.41297 |
| Inclination | 2.83506 |
| Longitude of ascending node | 254.29195 |
| Argument of peri | 203.11881 |
| Absolute magnitude | 15.6 |
18426 Maffei (1993 YN2) is a Main-belt Asteroid discovered on December 18, 1993 by E. Colzani and G. Ventre at Sormano.

